Hol*lo" (?), interj. & n. [See Halloo, and cf. Holla.] Ho there; stop;
attend; hence, a loud cry or a call to attract attention; a halloo.
And every day, for food or play, Came to the mariner's hollo.
Coleridge.
Hol"lo (?), v. i. [imp. & p. p. Holloed (?); p. pr. & vb. n. Holloing.]
[See Hollo, interj., and cf. Halloo.] To call out or exclaim; to
halloo. This form is now mostly replaced by hello.
Hol*loa" (?), interj., n. & v. i. Same as Hollo.
Hol"low (?), a. [OE. holow, holgh, holf, AS. holh a hollow, hole. Cf.
Hole.] 1. Having an empty space or cavity, natural or artificial,
within a solid substance; not solid; excavated in the interior; as, a
hollow tree; a hollow sphere.
Hollow with boards shalt thou make it.
Ex. xxvii. 8.